MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

AgentTesla

Vendor detections: 10

Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash:	88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27
SHA3-384 hash:	ea8d96c518a2844947a021a3be2dc2113e96f54a8a9f2f1d485e47ec9651496015eebcbdb60d006660075a9c2e03b737
SHA1 hash:	9da66a7c4c5f50ba28e07cf065d7d94f992222ae
MD5 hash:	1b87f0c2f15d12fd8b4cc970645d45f7
humanhash:	nevada-pizza-cup-spring
File name:	Swift MT103_PDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	770'048 bytes
First seen:	2020-08-12 18:31:08 UTC
Last seen:	2020-08-12 20:01:26 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:WfEOEpqVWYKT9r3L03+l03+2LwezPxLf9uSHfAmDq3jrbq2VZK83kG47JZ2z:POEp4q03+l03+2LLbxjDYmDCjHNGe74+
Threatray	11'295 similar samples on MalwareBazaar
TLSH	A3F4C02433A59837D27A7A35C967551407BBBC93363EC70E5ACD73CED8203AD4E106AA
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: secureserver.8verhost.com
Sending IP: 104.247.74.28
From: accounts@pdgproperty.com
Subject: RE: Order # SP2019-001 Payment Document
Attachment: Swift MT103_PDF.iso (contains "Swift MT103_PDF.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44431/

Detection(s):

SecuriteInfo.com.Trojan.KillProc2.11341.14003.13551.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/423642

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Binary contains a suspicious time stamp

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Installs a global keyboard hook

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-12 18:33:05 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rdkvaciw33iyp6gthnxbn4u5w44ig5hzo6wrdu4xgnqtbbiytutq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

383afa9b82f107b9f040868f783c06115083de21eb8caa8a744a68c92782acae

AgentTesla

6edf56bf042ac4f2cf12f3dcdd5704e71ddeee943463706513ba51123209bc6f

AgentTesla

86fb079125f93834e6dc2f5ef86c61c36f6a9dbae5338a42341f75bf329b06bf

AgentTesla

a5bc29d5e6f55ba05f61fff45175d9864ee0b311ad45baf0cfd65c74666da14c

AgentTesla

a85526e4a0f78afd83f57f2d084c0bd4b82846a06a0aef80c473905561dcfb60

AgentTesla

b1135688496020eb3e075121b22fb9c726c6021068ce415be82d8e48540dc563

AgentTesla

b3cbf1f12ae225e86e853b5a9c100248eac70557eaffff26020cdc9d165f3ff9

AgentTesla

d0d7da6edab70ca763cd813715907daeaafb8f0245a55cf4074446bb218dfd6f

AgentTesla

d4224f6f5b734de53a5a7e5f5675b05f9a808deb058e64d00859146f8255594c

AgentTesla

+ 11'285 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200812-7neerg4xsa/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar